How to preserve symmetries with cut-off regularized integrals?

Details How to preserve symmetries with cut-off regularized integrals? How to preserve symmetries with cut-off regularized integrals?

2006-11-16

arxiv.org/abs/hep-ph/0611220v1

Nucl.Phys.A791:422-433,2007

Physics

High Energy Physics

High Energy Physics - Phenomenology

11 pages, 3 graphs

Scientific paper

10.1016/j.nuclphysa.2007.05.003

We present a prescription to calculate the quadratic and logarithmic
divergent parts of several integrals employing a cutoff in a coherent way, i.e.
in total agreement with symmetry requirements. As examples we consider one-loop
Ward identities for QED and a phenomenological chiral model.

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